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- Pachycephalosaurus$950.00
A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual exbibits the "Pachy twist " (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.
DP21 SIZE: 2"
Note - Adding 6 new Pachy spikes, claws, and teeth in February 2025. Link to Pachy fossils catalog
Learn More - Pachycephalosaurus$795.00
An EXTRA LARGE Ultra Rare, Top Quality Pachychephalosaurus wyomingensis premaxillary tooth from the late Cretaceous of northern North America. A February Fossil of the month. This tooth is often referred to as the Pachy "Fang". There are posterior serrations present on this tooth. There is also a small wear facet on the tooth (quite common). Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with great color and patina. No cracks or restoration. An ultra rare Pachy premax tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus premaxillary tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed. My largest Pachy premaxillary tooth!
DP01 SIZE: 5/8"
Note - Adding 6 new Pachy spikes / teeth in February 2025.. Link to Pachy fossils catalog
Learn More - Fossil Shark Teeth of the World by Joe Cocke$45.00
"Fossil Shark Teeth of the World" is an excellent identification guide for the collector. This book covers more than 85 shark species with photos of typical teeth. A great guide for the new and seasoned collectors.
BB07 Size: 5-1/2" x 8-1/2"
Learn More - Pachycephalosaurus$245.00
A High Quality Pachychephalosaurus wyomingensis tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is good quality with nice color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and crown assymetry (see Pachy maxillary teeth differentiation discussion below). Note the nice crown wave on the right side. No cracks or restoration. An ultra rare Pachy tooth! Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.
DP04 SIZE: 5/16"
Note - Adding 13 new Pachy spikes, claws and teeth in April 2023. Link to Pachy fossils catalog
Learn More - Pachycephalosaurus$595.00
A Top Quality Pachychephalosaurus wyomingensis rooted tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with great color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and crown assymetry (see Pachy maxillary teeth differentiation discussion below). Note the nice crown wave on the left side. No cracks or restoration. An ultra rare Pachy tooth! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. My best rooted maxillary Pachy tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.
DP03 SIZE: 7/16"
Note - Adding 13 new Pachy spikes, claws and teeth in April 2023. Link to Pachy fossils catalog
Learn More - The Collector's Guide to Fossil Sharks and Rays By Welton & Farrish$75.00
"The Collector's Guide to Fossil Sharks and Rays From the Cretaceous of Texas" is a must have book for collectors and professionals for the Cretaceous teeth of Texas and elsewhere. Very comprehensive with incredible photos. 204 pages. One of my favorites! Note - an intenational shipping surcharge will be required for qualified free shipping orders.
BB12 Size: 8-1/2" x 11"
Learn More - Pachycephalosaurus$0.00
A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete and well preserved with slight tip wear. Overall an excellent pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. No repair or restoration. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed.
DP22 SIZE: 1-1/2"
Note - Adding 13 new Pachy spikes, claws, and teeth in April 2023. Link to Pachy fossils catalog
Learn More - Stegoceras validum - Skull Dome$4,250.00
An ultra rare Top Quality Stegoceras validum dome (frontoparietal skull bone) from the late Cretaceous of northern North America. An April Fossil of the Month. Stegoceras is a smaller sized pachycephalosaurid dinosaur, and like Pachycephalosaurus, it is a dinosaur which is famous for its large domed head surrounded by spikes. This is excellent quality juvenile dome with good color / patina. No cracks or restoration. There is a small sheer on the left side that occured prior to fossilization since it has the natural patina. Otherwise a complete dome. An ultra rare Stegoceras dome! Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Stegoceras dome. Comes with a Riker display case. Authenticity guaranteed. You don't see Stegoceras domes very often. This is a very special, prefect little dome! (Photo series = top, bottom, right side, left side, and rear).
DP50 SIZE: 2-5/8" x 2" (1-1/2" thick)
Note - Adding 13 new Pachy spikes, claws and teeth in April 2023. Link to Pachy fossils catalog
Learn More - Pachycephalosaurus$695.00
A LARGE Ultra Rare, Top Quality Pachychephalosaurus wyomingensis premaxillary tooth from the late Cretaceous of northern North America. This tooth is often referred to as the Pachy "Fang". There are posterior serrations present on this tooth. There is also a small wear facet on the tip (quite common). Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with great color and patina. No cracks or restoration. An ultra rare Pachy premax tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus premaxillary tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed. A fantastic Pachy premaxillary tooth!
DP02 SIZE: 1/2"
Note - Adding 6 new Pachy spikes / teeth in February 2025. Link to Pachy fossils catalog
Learn More - Fossil Collector's Guidebook to the North Sulfur River By McKinzie, et. al.$0.00
An excellent guide to the late Cretaceous and Pleistocene fossils of the N. Sulfur River of Texas. An exceptional guide to the N. Sulfur River teeth and other Cretaceous sites. Out of print.
BB05 SIZE: 8-1/2" x 11"
Learn More - Cretaceous and Paleogene Fossils of North Carolina By John Timmerman and Richard Chandler$20.00
The North Carolina Fossil Club provides an excellent guide to the Cretaceous - Eocene - Paleocene - Oligocene shark teeth from North Carolina. My recommendation for the collector's first reference guide to identify their Cretaceous - Paleocene - Eocene collection pieces.
BB09 Size: 5-1/2" x 8-1/2"
Learn More - Pachycephalosaurus$0.00
A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. No wear faucet from grinding on opposing teeth. Note - strong high center ridge and assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.
DP05 SIZE: 5/8"+
Note - Adding 13 new Pachy fossils in July 2018. Link to Pachy fossils catalog
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